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		 <!-- div>(sub+sub+sup) -->
		<div>
			x<sub>1</sub>
			+x<sub>2</sub>
			=y<sup>2</sup>
			<hr >
			<b>111</b>
			<i>111</i>
			<u>111</u>
			<s>111</s>
			<br>   <!-- 换行 -->
			<!-- html5 -->
			<strong>111</strong>
			<em>111</em>
			<ins>111</ins>
			<del>111</del>
			<hr >

		 <pre>
                  ,;,,;
                 ,;;'(    马
       __      ,;;' ' \   ┇
    /'  '\'~~'~' \ /'\.)  到 
 ,;(      )    /  |.      ┇
,;' \    /-.,,(   ) \     成
     ) /       ) / )|     ┇ 
     ||        ||  \)     功
     (_\       (_\
		 </pre>
		 
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